Blocks are storage units one by one, and each block is linked by() in Blockchain.

Blocks are storage units one by one, and each block is linked by() in Blockchain.

A、Hash

B、DES

C、RSA

D、DSA

参考答案：D

参考解析：区块是一个接一个的存储单元，每个块通过DSA（非对称加密技术）连接在区块链中。